Yulianti Y. Validasi Buku Karakter Anak Berbasis Contextual Teaching and Learning Materi Pendidikan Agama Islam dan Budi Pekerti Kelas II Sekolah Dasar. JMK [nternet]. 2019 Dec. 31 [cited 2024 Jul. 22];4(2):62-8. vailable from: http://ejournal.unikama.ac.id/index.php/JMK/article/view/3926